Coffee maker



FIG. 1 is a side elevation view of the coffee maker showing my design.

FIG. 2 is an opposite side elevation view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a back elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an upper perspective view thereof.

The broken lines show the nozzle component and depict portions of the coffee maker that form no part of the claimed design. 

CLAIM The ornamental design for a coffee maker, as shown and described. 